Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: question: Nomeie a classificação de calor para o Senegal
 ###Tabelas: CREATE TABLE analytical_table (analytical_table_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Votes INT, Votes since 1856 INT, Democratic votes INT, D votes since 1856 INT, % of D votes VARCHAR, D % since 1856 VARCHAR, Republican votes INT, % of R votes VARCHAR, R % since 1856 VARCHAR, Other votes INT, O votes since 1856 INT, % of O votes VARCHAR, O % since 1856 VARCHAR) CREATE TABLE pharmacotherapy_for_cocaine_abuse (pharmacotherapy_for_cocaine_abuse_id AUTO_INCREMENT PRIMARY KEY, [ 3 H]CFT INT, [ 3 H]Nisoxetine VARCHAR, [ 3 H]Paroxetine VARCHAR, N ÷ D INT, S ÷ D INT) CREATE TABLE maiden_overs (maiden_overs_id AUTO_INCREMENT PRIMARY KEY, Bowler VARCHAR, Over no. INT, Venue VARCHAR, Date VARCHAR, Wickets VARCHAR) CREATE TABLE heats (heats_id AUTO_INCREMENT PRIMARY KEY, Heat Rank INT, Lane INT, Swimmer VARCHAR, Country VARCHAR, Time INT, Overall Rank VARCHAR) CREATE TABLE u.s._television_ratings (u.s._television_ratings_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Network VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, TV season VARCHAR, Ranking VARCHAR, Viewers (in millions) VARCHAR)  
SELECT Heat Rank FROM heats WHERE Country = senegal